John Herlihy, M.D.
NPI 1245625151 · Gastroenterology Physician · Cedar Rapids, IA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Herlihy, M.D. is a Gastroenterology Physician provider in Cedar Rapids, IA (NPI 1245625151).
Provider details
- NPI number
- 1245625151
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-53981 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
272 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 114 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 34 | $9 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 20 | $92 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $81 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 18 | $108 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 137 | 64 |
| Linaclotidebrand: Linzess | 130 | 63 |
| Esomeprazole Magnesium | 130 | 61 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 88 | 84 |
| Dicyclomine Hcl | 63 | 26 |
| Hydrocortisone | 52 | 38 |
| Tenapanor Hclbrand: Ibsrela | 46 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,001 across 136 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-30
- Last updated
- 2025-08-14
- Certified
- 2025-08-14
Frequently asked questions
- What is John Herlihy's NPI number?
- John Herlihy's National Provider Identifier (NPI) is 1245625151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Herlihy's specialty?
- John Herlihy is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Herlihy located?
- John Herlihy's practice location on file with NPPES is 701 10th St Se, Cedar Rapids, IA 52403-1292.
- What is John Herlihy's phone number?
- The practice phone number listed in the NPPES registry for John Herlihy is (319) 369-4542.
- Does John Herlihy accept Medicare?
- John Herlihy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Herlihy's NPI active?
- Yes — John Herlihy's NPI (1245625151) is active in the NPPES registry as of the last update on 2025-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.